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O: Fachverband Oberflächenphysik

O 70: Poster: Spins on Surfaces & Surface Magnetism

O 70.2: Poster

Mittwoch, 20. März 2024, 18:00–20:00, Poster C

Controlling Yu-Shiba-Rusinov States with a Molecular Switch — •Arnab Banerjee, Niklas Ide, Richard Berndt, and Alexander Weismann — Instituts für Experimentelle und Angewandte Physik, CAU Kiel

Tin phthalocyanine (SnPc) is a non-planar diamagnetic molecule. On metal surfaces, it is geometrically bistable and transitions may be induced by electron injection. We studied SnPc on superconducting Pb(100) using low-temperature scanning tunneling spectroscopy. Yu-Shiba-Rusinov (YSR) states are observed upon assembly of the molecules into supramolecular arrays indicating the presence of a molecular spin. Moreover, the effect of geometrical switching on the YSR state is demonstrated.

Keywords: superconductivity; scanning tunneling spectroscopy; Yu-Shiba-Rusinov states; supramolecular arrays